Finding the Fourth Proportional to 1,571,074.97, 2,357,645.81 and 861,601.23
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Solution
The fourth proportional to 1,571,074.97, 2,357,645.81 and 861,601.23 is: 1,292,968.55
Step by Step Solution
- Step 1: Write the proportion equation
1,571,074.97 : 2,357,645.81 = 861,601.23 : x - Step 2: Convert to fraction form
1,571,074.97/2,357,645.81 = 861,601.23/x - Step 3: Cross multiply
1,571,074.97x = 2,357,645.81 × 861,601.23 - Step 4: Simplify right side
1,571,074.97x = 2,031,350,525,492.34 - Step 5: Solve for x
x = 2,031,350,525,492.34/1,571,074.97 - Step 6: Final answer
x = 1,292,968.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.